Home / 9,013.55-12,444.84-5,875.20

Finding the Fourth Proportional to 9,013.55, 12,444.84 and 5,875.20

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Solution

The fourth proportional to 9,013.55, 12,444.84 and 5,875.20 is: 8,111.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,013.55 : 12,444.84 = 5,875.20 : x
  2. Step 2: Convert to fraction form
    9,013.55/12,444.84 = 5,875.20/x
  3. Step 3: Cross multiply
    9,013.55x = 12,444.84 × 5,875.20
  4. Step 4: Simplify right side
    9,013.55x = 73,115,923.97
  5. Step 5: Solve for x
    x = 73,115,923.97/9,013.55
  6. Step 6: Final answer
    x = 8,111.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.